Capacity configuration method and device for internal phase modifier of wind power plant

Abstract

The embodiment of the invention provides a capacity configuration method and device for a phase modifier in a wind power plant, and the method comprises the steps: obtaining system parameters of the wind power plant; and based on the system parameters, calculating a fan end short-circuit ratio, and when the fan end short-circuit ratio is smaller than a strong system short-circuit ratio, calculating a phase modifier capacity parameter required to be configured by the wind power plant according to a difference value between an expected short-circuit ratio and the fan end short-circuit ratio. According to the embodiment of the invention, the problems of transient overvoltage and power output limitation of the wind power plant in the prior art are solved, capacity reference is provided for configuring the phase modifier for the wind power plant, the short-circuit ratio of the system can be improved, and the grid-connected power output capability of the phase modifier for the wind power plant is improved.

Description

Technical Field

[0001] This document relates to the field of computer technology, and more particularly to a method and device for configuring the capacity of a phase regulator in a wind farm. Background Art

[0002] With the large-scale grid connection of new energy sources such as wind power, the way of connecting power electronic equipment to the grid is changing the traditional power system structure. The increasing proportion of renewable energy in the power system has brought a series of new challenges to the safe and stable operation of the power system, such as low grid strength and transient voltage faults, which further limit the transmission capacity of wind farms and fail to fully utilize their power generation potential.

[0003] In order to solve the above problems, the industry currently widely adopts the configuration of reactive equipment for the system to improve the stability of the system, including capacitor reactive compensation, static synchronous compensator (STATCOM), etc. These reactive devices can absorb or provide reactive power and increase short-circuit capacity, thereby alleviating some problems to a certain extent. For example, a method for configuring phase-shifting devices is provided in the prior art, which calculates the net income of the wind farm and the net income of the photovoltaic power station to obtain the total number of optimal phase-shifting devices, but does not perform a mechanism analysis on the system after the phase-shifting devices are configured. A technical solution is also provided in the prior art, which studies the balance of the phase-shifting ratio from the perspective of the overall planning of the new energy system and the new energy sites, but does not study the phase-shifting capacity configuration problem in the wind farm and the impact on the wind power delivery capacity.

[0004] In summary, although the existing technology has described the ability to improve the transmission capacity of new energy stations, improve the system short-circuit ratio and grid voltage support capacity, and improve the stability of new energy units when connected to the grid, it has not analyzed and evaluated the system output before and after the phase regulator is configured in the wind farm. Therefore, there is an urgent need for a phase regulator capacity configuration method and device in a wind farm to improve the grid-connected power transmission capacity of the wind farm. Summary of the invention

[0005] The object of the present invention is to provide a method and device for configuring the capacity of a phase regulator in a wind farm, aiming to solve the above-mentioned problems in the prior art.

[0006] The present invention provides a method for configuring phase regulator capacity in a wind farm, comprising:

[0007] Obtain system parameters of wind farms;

[0008] The short-circuit ratio of the wind turbine end is calculated based on the system parameters. When the short-circuit ratio of the wind turbine end is less than the strong system short-circuit ratio, the phase-shifting phase capacity parameters required to be configured in the wind farm are calculated according to the difference between the expected short-circuit ratio and the short-circuit ratio of the wind turbine end.

[0009] The present invention provides a device for configuring the capacity of a phase regulator in a wind farm, comprising:

[0010] An acquisition module, used for acquiring system parameters of a wind farm;

[0011] A configuration module is used to calculate the short-circuit ratio of the wind turbine end based on the system parameters. When the short-circuit ratio of the wind turbine end is less than the strong system short-circuit ratio, the phase-shifting phase capacity parameters that need to be configured in the wind farm are calculated according to the difference between the expected short-circuit ratio and the short-circuit ratio of the wind turbine end.

[0012] An embodiment of the present invention also provides an electronic device, comprising: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the computer program is executed by the processor, the steps of the above-mentioned method for configuring the capacity of a phase regulator in a wind farm are implemented.

[0013] The embodiments of the present invention solve the transient overvoltage problem and the power output limitation problem of the wind farm in the prior art, provide a capacity reference for configuring phase regulators in wind farms, and improve the system short-circuit ratio and enhance the grid-connected power output capacity of phase regulator wind farms. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate one or more embodiments of this specification or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this specification. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 is a flow chart of a method for configuring phase regulator capacity in a wind farm according to an embodiment of the present invention;

[0016] Figure 2 It is a flowchart of detailed processing of a method for configuring the phase regulator capacity in a single grid-connected wind farm of a phase regulator according to an embodiment of the present invention;

[0017] Figure 3 is a structural diagram of a wind farm grid-connected system according to an embodiment of the present invention;

[0018] Figure 4 is a schematic diagram of wind farm output comparison before and after the introduction of SC according to an embodiment of the present invention;

[0019] Figure 5 Schematic diagram of a device for configuring the power delivery capacity of a single grid-connected wind farm of a phase regulator according to an embodiment of the present invention;

[0020] Figure 6 is a schematic diagram of an electronic device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solutions in one or more embodiments of this specification, the following will be combined with the drawings in one or more embodiments of this specification to clearly and completely describe the technical solutions in one or more embodiments of this specification. Obviously, the described embodiments are only part of the embodiments of this specification, not all of the embodiments. Based on one or more embodiments of this specification, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of this document.

[0022] Method Embodiment

[0023] According to an embodiment of the present invention, a method for configuring phase regulator capacity in a wind farm is provided. Figure 1 is a flow chart of a method for configuring phase shifting capacity in a wind farm according to an embodiment of the present invention. Figure 1 As shown, the method for configuring the phase regulator capacity in a wind farm according to an embodiment of the present invention specifically includes:

[0024] Step S101, obtaining system parameters of the wind farm; specifically including:

[0025] Obtain the network topology and parameters of a wind farm, the installed capacity and number of wind farm units, reactive power compensation configuration information, and main transformer parameters and external power grid equivalent parameters.

[0026] Step S102, based on the system parameters, calculate the short-circuit ratio of the wind turbine end, and when the short-circuit ratio of the wind turbine end is less than the strong system short-circuit ratio, calculate the phase-shifting capacity parameters that need to be configured in the wind farm according to the difference between the expected short-circuit ratio and the short-circuit ratio of the wind turbine end. Specifically including:

[0027] Based on the system parameters, the impedance values ​​of the power grid, the high-voltage transmission line, the main transformer, the SVG, the box transformer, and the wind turbine side transmission line are calculated;

[0028] Based on the impedance value, combined with the short-circuit ratio formula, the short-circuit ratio of the computer end and the short-circuit ratio of the reactive equipment part of the original system configuration;

[0029] When the short-circuit ratio of the wind turbine end is less than the short-circuit ratio of the strong system, the expected short-circuit ratio is subtracted from the short-circuit ratio of the wind turbine end plus the short-circuit ratio of the original system reactive equipment to obtain the short-circuit ratio difference;

[0030] Calculate the impedance value of the phase modulator connected to the phase modulator, and combine it with the short-circuit ratio formula to calculate the required phase modulator capacity from the short-circuit ratio difference, where the phase modulator connected to the phase modulator specifically includes: step-up transformer and phase modulator. Specifically:

[0031] Calculate the impedance per unit value of the phase regulator according to formula 1:

[0032]

[0033] Among them, X″ d is the impedance value of the phase regulator; S b is the short-circuit capacity; S SC is the capacity of the desired tunable phase shifter;

[0034] According to formula 2, combined with the short-circuit ratio formula, the phase regulator capacity S is calculated inversely. SC :

[0035]

[0036] Among them, X″ d is the impedance value of the phase regulator; S b is the short-circuit capacity; ΔSCR is the short-circuit ratio difference that the system needs to compensate; P max is the maximum power of the fan; S b is the short-circuit capacity; is the per unit impedance value of the transformer on the phase modulator side.

[0037] In order to verify the power delivery capacity of a single grid-connected wind farm of a phase regulator, the technical solution of the embodiment of the present invention also includes: establishing a wind farm grid access model, simulating a grid fault condition at the PCC point based on the phase regulator parameters, and verifying whether the terminal voltage of the wind turbine is within the operating range and does not go off the grid when the wind turbine is generating full power, thereby determining the improvement of the power delivery capacity of the wind farm.

[0038] It can be seen from the above embodiments that, compared with the prior art, the beneficial effects of the tenth embodiment of the present invention are:

[0039] (1) By configuring a phase regulator for a wind farm, the reactive power regulation capability of the system can be effectively enhanced, the stability of the power grid in the face of disturbances can be improved, and the risk of system collapse can be reduced; especially when a fault occurs in the power grid at the sending end of the system, the phase regulator can quickly absorb a large amount of surplus reactive power generated by SVG reactive compensation, effectively suppressing transient overvoltage problems;

[0040] (2) The embodiment of the present invention can calculate the phase-shifting capacity that the system must be configured with at least by using the known system parameters, and the calculation example has clear ideas, simple calculations, and is easy to implement;

[0041] (3) The verification of the method of the embodiment of the present invention is simulated by SIMULINK. In the original weak power grid system, the wind farm cannot generate power at full capacity, and the power needs to be limited to about 60% for stable operation. After the method of the present invention configures a certain capacity of phase regulator, the system becomes a strong system, and the wind farm can achieve full power generation at this time.

[0042] The above technical solution of the embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.

[0043] like Figure 2 As shown, the technical solution of the embodiment of the present invention specifically includes the following steps:

[0044] Combined with the known system parameters, the reference capacity of the phase regulator to be configured in the system is calculated, which specifically includes the following steps:

[0045] Step S1: Obtain the network topology and parameters of the wind farm system, the installed capacity and quantity of wind farm units, the reactive power compensation configuration, the main transformer parameters and the equivalent parameters of the external power grid;

[0046] Step S2: Calculate the short-circuit ratio of the wind turbine end and compare it with the short-circuit ratio of the strong system.

[0047] First, calculate the short-circuit ratio of the low-voltage side system of the wind turbine, which mainly includes the impedance calculation of the power grid system, high-voltage transmission line, and transformer:

[0048] Calculate impedance:

[0049] X=2πfL(1)

[0050] Where, f is the system frequency; L is the inductance value;

[0051] Calculate the per-unit value of impedance:

[0052]

[0053] In the formula, S b is the short-circuit capacity; U b is the reference voltage;

[0054] After calculation, the sum of the equivalent impedance per unit value of the required system can be obtained.

[0055] Secondly, calculate the system short circuit ratio and the short circuit ratio formula;

[0056]

[0057] In the formula, K SCR Indicates short circuit ratio; S ac is the short-circuit capacity of the AC system grid connection point (POI), MVA; P N is the equipment capacity or maximum power of the node, MW; U POI is the grid connection point voltage; Z N is the Thevenin equivalent impedance modulus of the AC system.

[0058] When the open circuit voltage is 1.0pu, the short circuit ratio can be expressed as:

[0059]

[0060] That is, the short-circuit ratio calculation formula can be adjusted to:

[0061]

[0062] Where P max is the maximum power of the fan; S b is the short-circuit capacity; is the sum of the per-unit impedance values ​​of the desired system;

[0063] After calculation, the system short-circuit ratio on the low-pressure side of the fan can be calculated;

[0064] Step S3: If the short-circuit ratio of the generator end is greater than that of the strong system, no processing is performed; if the short-circuit ratio of the generator end is less than that of the strong system, a solution of configuring a phase regulator for the system is adopted;

[0065] Step S4: The phase shifter capacity required to be configured in the wind farm is calculated from the difference between the expected short-circuit ratio and the short-circuit ratio at the machine end, and the output conditions before and after configuring the phase shifter are compared.

[0066] Calculate the phase modulator capacity required for the system, which is determined by reverse calculation based on the short-circuit ratio difference ΔSCR. Phase modulators are generally connected to the grid by connecting transformers. Therefore, the phase modulators and transformers must be integrated in the reverse calculation.

[0067] The impedance per unit value of the phase regulator is expressed as:

[0068]

[0069] In the formula, X″ d is the impedance value of the phase regulator; S b is the short-circuit capacity; S SC is the capacity of the desired tunable phase shifter;

[0070] Combined with the short-circuit ratio formula, the phase regulator capacity S is calculated inversely. SC :

[0071]

[0072] In the formula, X″ d is the impedance value of the phase regulator; S b is the short-circuit capacity; ΔSCR is the short-circuit ratio difference that the system needs to compensate; P max is the maximum power of the fan; S b is the short-circuit capacity; is the per unit impedance value of the transformer on the phase modulator side;

[0073] Step S5: Establish a wind farm grid access model, simulate a grid fault at the PCC point based on the phase-shifting parameters, and verify whether the terminal voltage of the wind turbine is within the operating range when the wind turbine is generating full power without being disconnected from the grid, thereby determining the improvement of the wind farm's power delivery capacity.

[0074] Example 1:

[0075] Wind farm grid-connected system structure diagram, such as Figure 3 As shown; for this system, select the benchmark capacity S b is 100Mvar, the maximum power of the fan P max 50.5MW, S SC is the unknown phase-converter capacity; known system parameters: the short-circuit ratio of the low-voltage side of the wind turbine is 2.83, at this time the wind power plant is in the output limit state, the system short-circuit ratio after the introduction of the SVG short-circuit ratio of 0.12 is 2.95, with the strong system short-circuit ratio of 3 as the boundary, the difference ΔSCR=0.5 is obtained; the phase-converter is preset to be connected to the low-voltage side of the main transformer through a three-phase winding transformer with a capacity of 20MVA and a voltage of 10.5kV. The per-unit impedance value of the transformer is 0.525, and the impedance of the preset phase-converter is X″ d is 0.12;

[0076] The impedance per unit value of the phase regulator is:

[0077]

[0078] Combined with the short-circuit ratio formula, the phase regulator capacity S is calculated inversely. SC :

[0079]

[0080] Based on the currently available small phase shifter products, select the closest capacity level.

[0081] Step 2: Build a system model based on SIMULINK, configure the phase regulator for the weak power grid system, and verify the wind farm output before and after the phase regulator is configured;

[0082] Step 2 specifically includes the following steps:

[0083] Step 2.1: Connect the preset synchronous condenser to the wind farm, and consider the impact of the synchronous condenser connection on the wind farm power delivery capacity, system short-circuit ratio and grid connection point voltage as a constraint condition for improving the wind farm power delivery capacity;

[0084] Step 2.2: Taking the maximization of the wind farm transmission capacity when a voltage drop fault occurs in the preset power grid as the objective function;

[0085] Step 2.3: Based on the above constraints, simulate the objective function. The simulation test includes but is not limited to grid fault simulation, wind farm response analysis, dynamic behavior analysis of SVG and synchronous condenser, etc. The original system is a weak grid. When the grid connection point fails, the wind farm in the system equipped with only SVG cannot generate full power and the voltage exceeds the limit. After the introduction of SC, the system short-circuit ratio is greatly improved, and the wind farm can achieve full power generation, such as Figure 4 shown.

[0086] In summary, the access of synchronous condensers improves the short-circuit ratio of the system and enhances the voltage support capability, thereby maintaining the stable transmission capacity of the wind farm when a power grid failure occurs. The configuration of SVG provides the necessary reactive power support to maintain the voltage stability of the power grid.

[0087] Device Example 1

[0088] According to an embodiment of the present invention, a device for configuring the capacity of a phase regulator in a wind farm is provided. Figure 5 Schematic diagram of a phase regulator capacity configuration device in a wind farm according to an embodiment of the present invention. Figure 5 As shown, the power delivery capacity configuration device of a single grid-connected wind farm of a phase regulator according to an embodiment of the present invention specifically includes:

[0089] The acquisition module 50 is used to acquire the system parameters of the wind farm; specifically, it is used to:

[0090] Obtain the network topology and parameters of a wind farm, the installed capacity and number of wind farm units, reactive power compensation configuration information, and main transformer parameters and external power grid equivalent parameters;

[0091] The configuration module 52 is used to calculate the short-circuit ratio of the wind turbine end based on the system parameters. When the short-circuit ratio of the wind turbine end is less than the strong system short-circuit ratio, the phase-converter capacity parameter that needs to be configured in the wind farm is calculated according to the difference between the expected short-circuit ratio and the short-circuit ratio of the wind turbine end. Specifically used for:

[0092] Based on the system parameters, the impedance values ​​of the power grid, the high-voltage transmission line, the main transformer, the SVG, the box transformer, and the wind turbine side transmission line are calculated;

[0093] Based on the impedance value, combined with the short-circuit ratio formula, the short-circuit ratio of the computer end and the short-circuit ratio of the reactive equipment part of the original system configuration;

[0094] When the short-circuit ratio of the wind turbine end is less than the short-circuit ratio of the strong system, the expected short-circuit ratio is subtracted from the short-circuit ratio of the wind turbine end plus the short-circuit ratio of the original system reactive equipment to obtain the short-circuit ratio difference;

[0095] Calculate the impedance value of the phase modulator connected to the phase modulator, and combine it with the short-circuit ratio formula to calculate the required phase modulator capacity from the short-circuit ratio difference, where the phase modulator connected to the phase modulator specifically includes: step-up transformer and phase modulator. Specifically:

[0096] Calculate the impedance per unit value of the phase regulator according to formula 1:

[0097]

[0098] Among them, X″ d is the impedance value of the phase regulator; S b is the short-circuit capacity; S SC is the capacity of the desired tunable phase shifter;

[0099] According to formula 2, combined with the short-circuit ratio formula, the phase regulator capacity S is calculated inversely. SC :

[0100]

[0101] Among them, X″ d is the impedance value of the phase regulator; S b is the short-circuit capacity; ΔSCR is the short-circuit ratio difference that the system needs to compensate; P max is the maximum power of the fan; S b is the short-circuit capacity; is the per unit impedance value of the transformer on the phase modulator side.

[0102] The device further comprises:

[0103] The verification module is used to establish a wind farm grid access model, simulate a grid fault at the PCC point based on the phase-shifting parameters, and verify whether the terminal voltage of the wind turbine is within the operating range when the wind turbine is generating full power without being disconnected from the grid, thereby determining the improvement of the wind farm's power delivery capacity.

[0104] The embodiment of the invention is a device embodiment corresponding to the above method embodiment. The specific operations of each module can be understood by referring to the description of the method embodiment, which will not be repeated here.

[0105] Device Example 2

[0106] An embodiment of the present invention provides an electronic device, such as Figure 6 As shown, it includes: a memory 60, a processor 62, and a computer program stored in the memory 60 and executable on the processor 62. When the computer program is executed by the processor 62, the steps described in the method embodiment are implemented.

[0107] Device Example 3

[0108] An embodiment of the present invention provides a computer-readable storage medium, on which a program for implementing information transmission is stored. When the program is executed by the processor 62, the steps described in the method embodiment are implemented.

[0109] The computer-readable storage medium in this embodiment includes, but is not limited to, ROM, RAM, magnetic disk or optical disk, etc.

[0110] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A method for configuring the capacity of phase regulators in a wind farm, characterized in that: include: Obtain system parameters of wind farm; The short-circuit ratio of the wind turbine end is calculated based on the system parameters. When the short-circuit ratio of the wind turbine end is less than the strong system short-circuit ratio, the phase-shifting phase capacity parameters required to be configured in the wind farm are calculated according to the difference between the expected short-circuit ratio and the short-circuit ratio of the wind turbine end.

2. The method according to claim 1, characterized in that The method further comprises: A wind farm grid access model is established. Based on the phase-shifting parameters, a grid fault situation is simulated at the PCC point to verify whether the terminal voltage of the wind turbine is within the operating range and does not disconnect from the grid when the wind turbine is generating full power, thereby determining the improvement of the wind farm's power delivery capacity.

3. The method according to claim 1, characterized in that The system parameters of the wind farm are obtained as follows: Obtain the network topology and parameters of a wind farm, the installed capacity and number of wind farm units, reactive power compensation configuration information, and main transformer parameters and external power grid equivalent parameters.

4. The method according to claim 1, characterized in that: Based on the system parameters, the short-circuit ratio of the wind turbine end is calculated. When the short-circuit ratio of the wind turbine end is less than the strong system short-circuit ratio, the phase-shifting parameters that need to be configured in the wind farm are calculated according to the difference between the expected short-circuit ratio and the short-circuit ratio of the wind turbine end. Specifically, the following are included: Based on the system parameters, the impedance values ​​of the power grid, the high-voltage transmission line, the main transformer, the SVG, the box transformer, and the wind turbine side transmission line are calculated; Based on the impedance value, combined with the short-circuit ratio formula, the short-circuit ratio of the computer end and the short-circuit ratio of the reactive equipment part of the original system configuration; When the short-circuit ratio of the wind turbine end is less than the short-circuit ratio of the strong system, the expected short-circuit ratio is subtracted from the short-circuit ratio of the wind turbine end plus the short-circuit ratio of the original system reactive equipment to obtain the short-circuit ratio difference; The impedance value of the phase modulator connected to the phase modulator is calculated, and the required phase modulator capacity is calculated from the short-circuit ratio difference in combination with the short-circuit ratio formula, wherein the phase modulator connected to the phase modulator specifically includes: step-up transformer and phase modulator.

5. The method according to claim 4, characterized in that Calculate the impedance value of the phase-converter input side components, and combine with the short-circuit ratio formula to calculate the required phase-converter capacity from the short-circuit ratio difference, including: Calculate the impedance per unit value of the phase regulator according to formula 1: Among them, X″ d is the impedance value of the phase regulator; S b is the short-circuit capacity; S SC is the capacity of the desired tunable phase shifter; According to formula 2, combined with the short-circuit ratio formula, the phase regulator capacity S is calculated inversely. SC : Among them, X″ d is the impedance value of the phase regulator; S b is the short-circuit capacity; ΔSCR is the short-circuit ratio difference that the system needs to compensate; P max is the maximum power of the fan; S b is the short-circuit capacity; is the per unit impedance value of the transformer on the phase modulator side.

6. A device for configuring the capacity of phase regulators in a wind farm, characterized in that: include: An acquisition module, used for acquiring system parameters of a wind farm; A configuration module is used to calculate the short-circuit ratio of the wind turbine end based on the system parameters. When the short-circuit ratio of the wind turbine end is less than the strong system short-circuit ratio, the phase-shifting phase capacity parameters that need to be configured in the wind farm are calculated according to the difference between the expected short-circuit ratio and the short-circuit ratio of the wind turbine end.

7. The device according to claim 6, characterized in that The device further comprises: The verification module is used to establish a wind farm grid access model, simulate a grid fault at the PCC point based on the phase-shifting parameters, and verify whether the terminal voltage of the wind turbine is within the operating range when the wind turbine is generating full power without being disconnected from the grid, thereby determining the improvement of the wind farm's power delivery capacity.

8. The device according to claim 6, characterized in that The acquisition module is specifically used for: Obtain the network topology and parameters of a wind farm, the installed capacity and number of wind farm units, reactive power compensation configuration information, and main transformer parameters and external power grid equivalent parameters; The configuration module is specifically used for: Based on the system parameters, the impedance values ​​of the power grid, the high-voltage transmission line, the main transformer, the SVG, the box transformer, and the wind turbine side transmission line are calculated; Based on the impedance value, combined with the short-circuit ratio formula, the short-circuit ratio of the computer end and the short-circuit ratio of the reactive equipment part of the original system configuration; When the short-circuit ratio of the wind turbine end is less than the short-circuit ratio of the strong system, the expected short-circuit ratio is subtracted from the short-circuit ratio of the wind turbine end plus the short-circuit ratio of the original system reactive equipment to obtain the short-circuit ratio difference; The impedance value of the phase modulator connected to the phase modulator is calculated, and the required phase modulator capacity is calculated from the short circuit ratio difference in combination with the short circuit ratio formula, wherein the phase modulator connected to the phase modulator specifically includes: step-up transformer and phase modulator.

9. The device according to claim 8, characterized in that The configuration module is specifically used for: Calculate the impedance per unit value of the phase regulator according to formula 1: Among them, X″ d is the impedance value of the phase regulator; S b is the short-circuit capacity; S SC is the capacity of the desired tunable phase shifter; According to formula 2, combined with the short-circuit ratio formula, the phase regulator capacity S is calculated inversely. SC : Among them, X″ d is the impedance value of the phase regulator; S b is the short-circuit capacity; ΔSCR is the short-circuit ratio difference that the system needs to compensate; P max is the maximum power of the fan; S b is the short-circuit capacity; is the per unit impedance value of the transformer on the phase modulator side.

10. An electronic device, characterized in that: include: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the computer program is executed by the processor, the steps of the method for configuring the capacity of a phase regulator in a wind farm are implemented as described in any one of claims 1 to 5.

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